2018-01-03_PERMIT FILE - C1981010 (7)

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99 - Herperus fine sandy loam, dry, 2 to 15 percent slopes Map Unit Setting Major Land Resource Area: 34 Elevation: 6,500 to 7,000 feet (1,981 to 2,134 meters) Mean annual precipitation: 16 to 18 inches (406 to 457 millimeters) Average annual air temperature: 40 to 43 degrees F (4.4 to 6.1 degrees C) Frost -free period: 65 to 85 days Map Unit Composition Hesperus and similar soils: 85 percent Minor components: 15 percent Component Descriptions Hesperus soils Landform: Hills, plateaus Position on landform: Footslope Parent material: Loess and residuum derived from fine-grained sandstone and shale Slope: 2 to 15 percent Drainage Class: Well drained Slowest permeability. 0.2 to 0.6 in./hr. (moderately slow) Available water capacity: About 11.0 inches (high) Shrink -swell potential: About 4.5 percent (moderate) Hazard of flooding: None Depth to seasonal high water table: Greater than 72 inches Runoff class: Medium Calcium carbonate maximum: None Gypsum maximum: None Salinity maximum: About 0 mmhos/cm (nonsaline) Sodium adsorption ratio: About O (nonsodic) Ecological site: Mountain Loam Potential native vegetation: Letterman's needlegrass, mountain big sagebrush, slender wheatgrass, western wheatgrass, elk sedge, mountain brome, mountain snowberry, nodding brome Land capability subclass: (nonirrigated) 4e Typical profile 0 to 5 inches - fine sandy loam 5 to 20 inches - loam 20 to 52 inches - clay loam 52 to 60 inches - clay loam Minor Components Weed and similar soils Composition: About 8 percent Pagoda and similar soils Composition: About 7 percent Hesperus Series Map Units: 99 and 100 Local Phase: dry Depth class: very deep Drainage Class: well drained Slowest permeability. 0.2 to 0.6 in./hr. (moderately slow) Landform: hills, mountainsides, plateaus Position on landform: footslopes Parent material. colluvium and residuum derived from sandstone mantled by basalt rock fragments. 100 - Herperus loam, 15 to 50 percent slopes Map Unit Setting Major Land Resource Area: 48A Elevation: 7,000 to 7,500 feet (2,134 to 2,316 meters) Mean annual precipitation: 16 to 18 inches (406 to 457 millimeters) Average annual air temperature: 40 to 43 degrees F (4.4 to 6.1 degrees C) Frost -free period. 65 to 85 days Map Unit Composition Hesperus and similar soils: 90 percent Minor components: 10 percent Component Descriptions Hesperus soils Landform: Mountainsides Parent material. Residuum derived from sandstone and shale Slope: 15 to 50 percent Drainage Class: Well drained Slowest permeability. 0.2 to 0.6 in./hr. (moderately slow) Available water capacity. About 11.0 inches (high) Shrink -swell potential. About 4.5 percent (moderate) Hazard of flooding: None Depth to seasonal high water table: Greater than 72 inches Runoff class: Very high Calcium carbonate maximum: About 10 percent Gypsum maximum: None Salinity maximum: About 0 mmhos/cm (nonsaline) Sodium adsorption ratio: About O (nonsodic) Ecological site: Brushy Loam Potential native vegetation: Gambel's oak, Saskatoon servicebeny, elk sedge, mountain brome, Letterman's needlegrass, mountain big sagebrush, slender wheatgrass, western wheatgrass, mountain snowberry, nodding brome, slender wheatgrass Land capability subclass: (nonirrigated) 7e Typical profile 0 to 12 inches - loam 15 to 45 inches - clay loam 45 to 60 inches - clay loam Minor Components Soils with a surface layer less than 16 inches thick and similar soils Composition: About 5 percent Soils with a stony surface and similar soils Composition: About 5 percent shale, residuum derived from sandstone Elevation: 6,500 to 7,600 feet (1,981 to 2,316 meters) Slope: 2 to 50 percent Climatic data: Mean annual precipitation: 16 to 18 inches (406 to 457 millimeters) Mean annual air temperature: 40 to 43 degrees F (4.4 to 6.1 degrees C) Frost -free period: 65 to 85 days Taxonomic class: Fine -loamy, mixed Pachic Arigiborolls